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Finding the Fourth Proportional to 13,361.96, 20,037.17 and 5,048.63

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Solution

The fourth proportional to 13,361.96, 20,037.17 and 5,048.63 is: 7,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.96 : 20,037.17 = 5,048.63 : x
  2. Step 2: Convert to fraction form
    13,361.96/20,037.17 = 5,048.63/x
  3. Step 3: Cross multiply
    13,361.96x = 20,037.17 × 5,048.63
  4. Step 4: Simplify right side
    13,361.96x = 101,160,245.15
  5. Step 5: Solve for x
    x = 101,160,245.15/13,361.96
  6. Step 6: Final answer
    x = 7,570.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.